/Engine/Plugins/Experimental/ScriptableToolsEditorMode/Source/ScriptableToolsEditorMode/Public/ScriptableToolsEditorModeToolkit.h
void OnActiveViewportChanged ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IAssetViewport](API\Editor\UnrealEd\IAssetViewport) >, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IAssetViewport](API\Editor\UnrealEd\IAssetViewport) > )